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Individual Calculations January 2013 |
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| Armentrout, Steven Total change: 7.50 | |   |
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| 3rd Annual Fairfax Open | Fairfax, Virginia | USA | 2012-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 1870 | 1.00 | 3 | 0.25 | 30 | 7.50 | |
|  Fernando, Oliver L | | | 2157 | USA | 0.00 | 1 | -0.16 | 30 | -4.80 | |  Chrisney, Adam R | | | 1880 | USA | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Shibut, Macon A | f | | 2232 | USA | 0.00 | 1 | -0.10 | 30 | -3.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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